Free Printable Final Round

Worksheets

Final Round

Total questions: 15

Worksheet time: 8mins

Name

Class

Date

What protects the intellectual property created by artists?

Geographical indications

Patents

Registered designs

Which of these is a geographical indication?

World Wide Web

BMW

Tirupathi Laddu

A R Rahman

If you write an original story, what type of intellectual property gives you the right to decide who can make and sell copies of your work?

Geographical indications

Patents

Registered designs

An incandescent bulb has a thin filament of tungsten that is heated to high temperature by passing an electric current. The hot filament emits black-body radiation. The filament is observed to break up at random locations after a sufficiently long time of operation due to non-uniform evaporation of tungsten from the filament. If the bulb is powered at constant voltage, which of the following statement(s) is(are) true?

The temperature distribution over the filament is uniform

The resistance over small sections of the filament decreases with time

The filament emits more light at higher band of frequencies before it breaks up

The filament consumes less electrical power towards the end of the life of the bulb

Value of atmospheric pressure

1.01325 kN/m²

1.01325 bar

101.325 bar

101.325 kN/m²

From the following figure, which is the repetitive dimension?

Metals are good conductors of electricity because

they contain free electrons

the atoms are lightly packed

they have high melting point

all of the above

Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to

The heating effect of current alone

Hysteresis loss alone

both the heating effect of current and hysteresis loss

intense sunlight at noon

The absorption of ink by blotting paper involves

Viscosity of ink

Capillary action phenomenon

Diffusion of ink through the blotting

Siphon action

10.

It is easier to roll a stone up a sloping road than to lift it vertical upwards because

work done in rolling is more than in lifting

work done in lifting the stone is equal to rolling it

Work done in both is same but the rate of doing work is less in rolling

work done in rolling a stone is less than in lifting it

11.

What is the expansion of ISO

International organization for standardization

Indian standardization for organization

international standardization

Indian organization for standardization

12.

The size of A4 drawing sheet

210x297

297x420

420x594

594x841

13.

Dimensional ratio of National flag of India

1:5

1:3

2:3

2:5

14.

The acceleration a of a body is parallel and directly proportional to the net force F acting on the body, is in the direction of the net force, and is inversely proportional to the mass m of the body. This statement is related with which equation ?

$F^2=\ ma$

$F=m^2a$

$F=ma^2$

$F=ma$

15.

The probability of getting two tails when two coins are tossed is -

1/6

1/2

1/3

1/4

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Final Round

Total questions: 15

Worksheet time: 8mins

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